and greek yogurt, once a small fraction of the market, will top $1 billion in u.s. sales this year. >> it's very high in protein. it has less sugar. companies have made it absolutely delicious. >> reporter: cornell dairy specialist says they're eating it up in new york state, now home to all the major greek brands. and for local dairy farmers, you might just call it a cash cow. >> there are currently 553 million pounds of yogurt that is manufactured in new york. that's a 140% increase since 2008. >> then we pump it through here. reporter: the next generation of new york yogurt makers is already on the rise. >> we can see here as we lift the lid up that the yogurt is coming out. >> reporter: this man came here from iceland. he started making yogurt in his small manhattan apartment. >> my early tests were a hit-and-miss at best. >> reporter: very soon the plot thickened. >> we got a call snfort that's a good call to get. today he says he ships to around 2,000 stores nationwide selling about 100,000 cups a week. when you talk about yogurt, your eyes light up and your w